| 摘要 |
A box made of plastic material, particularly suited to contain floppy discs for electronic processors, consists of three elements (10, 20, 30) connected to each other by means of two hinges being in common and coaxial. One element (30) functions as a lid when the box is closed and as a support when the box is open; the other two elements (10, 20) are hinged to each and can be opened according to a certain angle, they are provided with a bottom plate consisting of two comb-shaped parts (14, 24) with rectangular teeth; the fixed angle of aperture between the two elements (10, 20) forming the useful space of the box, is obtained by the superimposition of a projection (39) being present on the end bent part of one element (10) of the box and on the corresponding indentation (26) being present on the other element (20) being connected to it.
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